129187711607 has 2 divisors, whose sum is σ = 129187711608. Its totient is φ = 129187711606.

The previous prime is 129187711507. The next prime is 129187711643. The reversal of 129187711607 is 706117781921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129187711607 - 2¹⁴ = 129187695223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129187711007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64593855803 + 64593855804.

It is an arithmetic number, because the mean of its divisors is an integer number (64593855804).

Almost surely, 2^129187711607 is an apocalyptic number.

129187711607 is a deficient number, since it is larger than the sum of its proper divisors (1).

129187711607 is an equidigital number, since it uses as much as digits as its factorization.

129187711607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 50.

The spelling of 129187711607 in words is "one hundred twenty-nine billion, one hundred eighty-seven million, seven hundred eleven thousand, six hundred seven".